For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningOnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services.
The OnStar system status light is next to the OnStar buttons. If the status light
is:
• Solid Green: System is ready ...
Strut, Strut Component, or Spring Replacement
Special Tools
CH-6068 Spring Tensioner Device
CH-6066 Holding Device
For equivalent regional tools, refer to Special Tools.
Disassembly Procedure
Remove the strut assembly. Refer to Strut Assembly
Replacement.
Install the strut to the CH-6066 holder (5).
Tens ...
Vehicle Data Recording and Privacy
The vehicle has a number of computers that record information about the vehicle’s
performance and how it is driven. For example, the vehicle uses computer modules
to monitor and control engine and transmission performance, to monitor the conditions
for airbag deployment and deploy them in a cr ...